    <!-- #section:basics/sidebar -->
    <div id="sidebar" class="sidebar responsive">
        <script type="text/javascript">
            try {
                ace.settings.check('sidebar', 'fixed')
            } catch (e) {
            }
        </script>
        <div class="sidebar-shortcuts" id="sidebar-shortcuts">
            <div class="sidebar-shortcuts-large text-left" id="sidebar-shortcuts-large">
               
                <div class="widget-box widget-color-green no-border">
                    <div class="widget-header text-left ">
                    <select name="xn" id="xn" class="">
                    <option value="2016">2016</option>
                    <option value="2017">2017</option>
                    <option value="2018">2018</option>
                    </select>
                        <h5 class="widget-title smaller">届毕业</h5>

                        <div class="widget-toolbar">
                            <botton id="treesubmit">筛选</botton>
                        </div>
                    </div>
                    <div class="widget-body">
                        <div class="widget-main padding-8">
                            <div id="treeview" class="tree tree-selectable" role="tree" style="z-index:0"></div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="sidebar-shortcuts-mini" id="sidebar-shortcuts-mini">
            <div class="space-4"></div>
                <a class="btn btn-success"></a>
                <a class="btn btn-success"></a>
                <a class="btn btn-success"></a>
                <a class="btn btn-success"></a>
            </div>
        </div><!-- /.sidebar-shortcuts -->
        <!-- #section:basics/sidebar.layout.minimize -->
        <div class="sidebar-toggle sidebar-collapse" id="sidebar-collapse">
            <i class="ace-icon fa fa-angle-double-left" data-icon1="ace-icon fa fa-angle-double-left"
               data-icon2="ace-icon fa fa-angle-double-right"></i>
        </div>

        <!-- /section:basics/sidebar.layout.minimize -->
        <script type="text/javascript">
            try {
                ace.settings.check('sidebar', 'collapsed')
            } catch (e) {
            }
        </script>
    </div>

    <!-- /section:basics/sidebar -->